CVE-2018-1065

kernel: netfilter: xtables NULL pointer dereference in ip6_tables.c:ip6t_do_table() leading to a crash

Published Mar 2, 2018 CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4188-1 linux security update
EUVD EUVD EUVD-2018-11718 The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.
Ubuntu USN Ubuntu USN USN-3654-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3654-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3656-1 Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 3:51 AM
Reserved
Dec 4, 2017, 12:00 AM
Status
Modified
Published
Mar 2, 2018, 8:29 AM
Modified
Jun 17, 2026, 1:50 AM
Severity
Moderate
Public date
Feb 4, 2018, 12:00 AM